package com.huibei.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.huibei.pojo.User;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

@Mapper
public interface UserMapper extends BaseMapper<User> {


    @Select("select max(USER_ID) from tb_user")
    public int getMaxUserId();


}
